HAAT Calculator & Elevation Finder

Calculate elevation and height above average terrain (HAAT) using the FCC's API.

NAD83 Latitude:
- ' " *

NAD83 Longitude:
- ' " *

Radiation Center Height:
meters   *

- Above Mean Sea Level (RCAMSL)
- Above Ground Level (RCAGL)

Number of Radials:

Terrain Database:

Legacy FCC30 terrain is not available through the FCC API. Use the FCC HAAT Calculator instead.

Station Class for ERP Check: (optional)

Decimal Coordinates:
Latitude: 40.717583
Longitude: -73.602889

Site Elevation:
25.04 meters

Radiation Center Above Mean Sea Level (RCAMSL):
78 meters

Height Above Average Terrain:
54 meters, based on 8 radials.
(rounded from 54.13 m)

HAAT Along Each Radial:

Azimuth HAAT
031.93
4530.2
9057.39
13573.18
18074.21
22570.5
27052.64
31542.96